package com.bite.system.mapper.user;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.bite.system.domain.exam.UserExam;
import jakarta.validation.constraints.NotNull;

import java.util.List;
import java.util.Set;

/**
* @author 17450
* @description 针对表【tb_user_exam】的数据库操作Mapper
* @createDate 2025-05-30 11:41:41
* @Entity domain/exam.UserExam
*/
public interface UserExamMapper extends BaseMapper<UserExam> {


    void deleteByExamId(Long examId);

    Set<Long> selectUserIdByExamId(Long examId);

    Integer saveBatch(List<UserExam> userExamList);

    Long deleteByExamIdList(List<Long> examIdList);

    Set<Long> selectUserIdByExamIdList(List<Long> examIdList);
}




